Home / 64,988,300.48-89,693,732.12-41,476,981.60

Finding the Fourth Proportional to 64,988,300.48, 89,693,732.12 and 41,476,981.60

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Solution

The fourth proportional to 64,988,300.48, 89,693,732.12 and 41,476,981.60 is: 57,244,538.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,988,300.48 : 89,693,732.12 = 41,476,981.60 : x
  2. Step 2: Convert to fraction form
    64,988,300.48/89,693,732.12 = 41,476,981.60/x
  3. Step 3: Cross multiply
    64,988,300.48x = 89,693,732.12 × 41,476,981.60
  4. Step 4: Simplify right side
    64,988,300.48x = 3,720,225,276,776,569.50
  5. Step 5: Solve for x
    x = 3,720,225,276,776,569.50/64,988,300.48
  6. Step 6: Final answer
    x = 57,244,538.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.